Designing multifunctional quantum dots for bioimaging, detection, and drug delivery

P Zrazhevskiy, M Sena, X Gao - Chemical Society Reviews, 2010 - pubs.rsc.org
The emerging field of bionanotechnology aims at revolutionizing biomedical research and
clinical practice via introduction of nanoparticle-based tools, expanding capabilities of …

Mechanisms for charge trapping in single semiconductor nanocrystals probed by fluorescence blinking

AA Cordones, SR Leone - Chemical Society Reviews, 2013 - pubs.rsc.org
Semiconductor nanocrystal optical and charge transport properties are largely influenced by
the trapping of charge carriers on the nanocrystal surface. Charge trapping increases the …

CdS quantum dots as potent photoreductants for organic chemistry enabled by auger processes

JK Widness, DG Enny… - Journal of the …, 2022 - ACS Publications
Strong reducing agents (<− 2.0 V vs saturated calomel electrode (SCE)) enable a wide array
of useful organic chemistry, but suffer from a variety of limitations. Stoichiometric metallic …

Ligand exchange and the stoichiometry of metal chalcogenide nanocrystals: spectroscopic observation of facile metal-carboxylate displacement and binding

NC Anderson, MP Hendricks, JJ Choi… - Journal of the American …, 2013 - ACS Publications
We demonstrate that metal carboxylate complexes (L–M (O2CR) 2, R= oleyl, tetradecyl, M=
Cd, Pb) are readily displaced from carboxylate-terminated ME nanocrystals (ME= CdSe …

Colloidal-quantum-dot photovoltaics using atomic-ligand passivation

J Tang, KW Kemp, S Hoogland, KS Jeong, H Liu… - Nature materials, 2011 - nature.com
Abstract Colloidal-quantum-dot (CQD) optoelectronics offer a compelling combination of
solution processing and spectral tunability through quantum size effects. So far, CQD solar …

PbSe Quantum Dot Field-Effect Transistors with Air-Stable Electron Mobilities above 7 cm2 V–1 s–1

Y Liu, J Tolentino, M Gibbs, R Ihly, CL Perkins, Y Liu… - Nano …, 2013 - ACS Publications
PbSe quantum dot (QD) field effect transistors (FETs) with air-stable electron mobilities
above 7 cm2 V–1 s–1 are made by infilling sulfide-capped QD films with amorphous …

Quantum dot imaging platform for single-cell molecular profiling

P Zrazhevskiy, X Gao - Nature communications, 2013 - nature.com
Study of normal cell physiology and disease pathogenesis heavily relies on untangling the
complexity of intracellular molecular mechanisms and pathways. To achieve this goal …

Quantitative modeling of the role of surface traps in CdSe/CdS/ZnS nanocrystal photoluminescence decay dynamics

M Jones, SS Lo, GD Scholes - Proceedings of the National …, 2009 - National Acad Sciences
Charge carrier trapping is an important phenomenon in nanocrystal (NC) decay dynamics
because it reduces photoluminescence (PL) quantum efficiencies and obscures efforts to …

The effect of a common purification procedure on the chemical composition of the surfaces of CdSe quantum dots synthesized with trioctylphosphine oxide

AJ Morris-Cohen, MD Donakowski… - The Journal of …, 2010 - ACS Publications
This paper describes a quantitative analysis of the chemical composition of
organic/inorganic interfaces of colloidal 3.1-nm CdSe quantum dots (QDs) synthesized with …

Transient terahertz conductivity of GaAs nanowires

P Parkinson, J Lloyd-Hughes, Q Gao, HH Tan… - Nano …, 2007 - ACS Publications
The time-resolved conductivity of isolated GaAs nanowires is investigated by optical-pump
terahertz-probe time-domain spectroscopy. The electronic response exhibits a pronounced …